Epson AcuLaser Color 2000 Service Manual page 110

EPSON AcuLaser C2000
Fusing Fan Motor is abnormal
Table 3-11. Fusing Fan Motor is Abnormal
No. Check Item
At the power ON initialization
sequence, does the fusing fan
motor (M10) rotate?
1
Check the rotation by its sound
or by hand feeling wind.
Others
Fusing fan motor (M10) rotates by two rotational speed; full speed / half
speed.
When fan is booted or warm-up is completed: Full speed for 2
seconds, and then half speed
When transportation motor (M1) is rotating: Full speed
When warm-up is completed: Half speed
Cover open, pause: Stop
When the fusing fan lock signal becomes active for 0.5 seconds, the
printer detects that fusing fan motor is abnormal.
Troubleshooting
Solution
No Remove connector PJ29A and
insert it again.
Replace the fan motor.
Replace PWB-A.
Printer Message
Main Motor is abnormal
Table 3-12. Main Motor is Abnormal
No. Check Item
Does the transportation motor
(M1) rotate during printing?
1
Others
Detection of transportation motor (M1) rotation is detected 1 second after
transportation motor (M1) starts rotating until the transportation motor
(M1) stops.
When the transportation motor M_Lock signal becomes active for 0.5
seconds, the printer detects that the transportation motor is abnormal.
Fusing Motor is abnormal
Table 3-13. Fusing Motor is Abnormal
No. Check Item
Does the fusing motor (M4)
rotate during printing?
1
Others
Detection of fusing motor (M4) rotation is detected 1 second after fusing
motor (M4) starts rotating until the fusing motor (M4) stops.
When the fusing motor M_Lock signal becomes active for 0.5 seconds, the
printer detects that the fusing motor is abnormal.
Revision C
Solution
No Remove connector PJ21A and
insert it again.
Yes Check that no weight applies on
the each roller or gears.
Replace PWB-A.
Solution
No Remove connector PJ22A and
insert it again.
Yes Check that no weight applies on
the each roller or gears.
Replace PWB-A.
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